Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
Eight lectures delivered at the Lowell institute, published in six papers in the Century magazine.--cf. Pref
I. The genesis of a world.--II. The evolution of life.--III. The sun dominant.--IV. Mars and the future of the Earth.--V. The canals and oases of Mars.--VI. Proofs of life on Mars.--Notes
Notes
Eight lectures delivered at the Lowell institute, published in six papers in the Century magazine.--cf. Pref.